code: def _get_hypo_trie(hypo: Hypothesis) -> TrieNode:
      return hypo[4]
  
imports: from typing import Callable, Dict, List, Optional, Tuple
  import torch
  from torchaudio.models import RNNT
  from torchaudio.prototype.models.rnnt import TrieNode
label_desc: Use image node_id 5 for calling a global function with example usage: _get_hypo_trie(hypo) and returns: hypo